function getMetadata($image, $filename)
{
if (!isset($image->parsedGIFMetadata)) {
try {
$image->parsedGIFMetadata = GIFMetadataExtractor::getMetadata($filename);
} catch (Exception $e) {
// Broken file?
wfDebug(__METHOD__ . ': ' . $e->getMessage() . "\n");
return '0';
}
}
return serialize($image->parsedGIFMetadata);
}
/**
* Put in a file, and see if the metadata coming out is as expected.
* @param $filename String
* @param $expected Array The extracted metadata.
* @dataProvider provideGetMetadata
*/
public function testGetMetadata($filename, $expected)
{
$actual = GIFMetadataExtractor::getMetadata($this->mediaPath . $filename);
$this->assertEquals($expected, $actual);
}
/** function for gif images.
*
* They don't really have native metadata, so just merges together
* XMP and image comment.
*
* @param string $filename full path to file
* @return Array metadata array
*/
public static function GIF($filename)
{
$meta = new self();
$baseArray = GIFMetadataExtractor::getMetadata($filename);
if (count($baseArray['comment']) > 0) {
$meta->addMetadata(array('GIFFileComment' => $baseArray['comment']), 'native');
}
if ($baseArray['xmp'] !== '' && function_exists('xml_parser_create_ns')) {
$xmp = new XMPReader();
$xmp->parse($baseArray['xmp']);
$xmpRes = $xmp->getResults();
foreach ($xmpRes as $type => $xmpSection) {
$meta->addMetadata($xmpSection, $type);
}
}
unset($baseArray['comment']);
unset($baseArray['xmp']);
$baseArray['metadata'] = $meta->getMetadataArray();
$baseArray['metadata']['_MW_GIF_VERSION'] = GIFMetadataExtractor::VERSION;
return $baseArray;
}
/** function for gif images.
*
* They don't really have native metadata, so just merges together
* XMP and image comment.
*
* @param string $filename Full path to file
* @return array Metadata array
*/
public static function GIF($filename)
{
$meta = new self();
$baseArray = GIFMetadataExtractor::getMetadata($filename);
if (count($baseArray['comment']) > 0) {
$meta->addMetadata(['GIFFileComment' => $baseArray['comment']], 'native');
}
if ($baseArray['xmp'] !== '' && XMPReader::isSupported()) {
$xmp = new XMPReader(LoggerFactory::getInstance('XMP'));
$xmp->parse($baseArray['xmp']);
$xmpRes = $xmp->getResults();
foreach ($xmpRes as $type => $xmpSection) {
$meta->addMetadata($xmpSection, $type);
}
}
unset($baseArray['comment']);
unset($baseArray['xmp']);
$baseArray['metadata'] = $meta->getMetadataArray();
$baseArray['metadata']['_MW_GIF_VERSION'] = GIFMetadataExtractor::VERSION;
return $baseArray;
}
